฿4,175 Cheap Flights from Washington (IAD) to San José (SJO)

View ฿4,175 flight on Mon, 29 Dec 2025Opens in a new window

Popular airlines from Washington Dulles International Airport (IAD) to Juan Santamaria Intl. Airport (SJO)

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Cheap Flights from Washington (IAD) to San José (SJO)

Prices were available within the past 7 days and start at ฿4,175 for one-way flights and ฿9,850 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 29 Dec - Thu, 8 Jan
IAD
Washington
SJO
San José
฿9,850 Return, found 1 day ago
฿9,850
Return
found 1 day ago
Select American Airlines flight, departing Mon, 29 Dec from Washington to San José, returning Thu, 8 Jan, priced at ฿9,850 found 1 day ago
American Airlines
Tue, 30 Dec - Thu, 8 Jan
IAD
Washington
SJO
San José
฿9,975 Return, found 2 days ago
฿9,975
Return
found 2 days ago
Select American Airlines flight, departing Tue, 30 Dec from Washington to San José, returning Thu, 8 Jan, priced at ฿9,975 found 2 days ago
avianca
Tue, 30 Dec - Thu, 8 Jan
IAD
Washington
SJO
San José
฿10,535 Return, found 2 days ago
฿10,535
Return
found 2 days ago
Select avianca flight, departing Tue, 30 Dec from Washington to San José, returning Thu, 8 Jan, priced at ฿10,535 found 2 days ago
American Airlines
Mon, 29 Dec - Thu, 8 Jan
IAD
Washington
SJO
San José
฿11,345 Return, found 1 day ago
฿11,345
Return
found 1 day ago
Select American Airlines flight, departing Mon, 29 Dec from Washington to San José, returning Thu, 8 Jan, priced at ฿11,345 found 1 day ago
American Airlines
Tue, 30 Dec - Thu, 8 Jan
IAD
Washington
SJO
San José
฿11,490 Return, found 2 days ago
฿11,490
Return
found 2 days ago
Select American Airlines flight, departing Tue, 30 Dec from Washington to San José, returning Thu, 8 Jan, priced at ฿11,490 found 2 days ago
American Airlines
Tue, 30 Dec - Thu, 8 Jan
IAD
Washington
SJO
San José
฿12,975 Return, found 2 days ago
฿12,975
Return
found 2 days ago
Select American Airlines flight, departing Tue, 30 Dec from Washington to San José, returning Thu, 8 Jan, priced at ฿12,975 found 2 days ago
American Airlines
Mon, 29 Dec - Thu, 8 Jan
IAD
Washington
SJO
San José
฿13,895 Return, found 1 day ago
฿13,895
Return
found 1 day ago
Select American Airlines flight, departing Mon, 29 Dec from Washington to San José, returning Thu, 8 Jan, priced at ฿13,895 found 1 day ago
United
Mon, 29 Dec - Thu, 8 Jan
IAD
Washington
SJO
San José
฿21,325 Return, found 1 day ago
฿21,325
Return
found 1 day ago
Select United flight, departing Mon, 29 Dec from Washington to San José, returning Thu, 8 Jan, priced at ฿21,325 found 1 day ago
Air Canada
Tue, 30 Dec - Wed, 7 Jan
IAD
Washington
SJO
San José
฿24,695 Return, found 2 days ago
฿24,695
Return
found 2 days ago
Select Air Canada flight, departing Tue, 30 Dec from Washington to San José, returning Wed, 7 Jan, priced at ฿24,695 found 2 days ago
Copa
Mon, 29 Dec - Thu, 8 Jan
IAD
Washington
SJO
San José
฿26,670 Return, found 1 day ago
฿26,670
Return
found 1 day ago
Select Copa flight, departing Mon, 29 Dec from Washington to San José, returning Thu, 8 Jan, priced at ฿26,670 found 1 day ago

Find the cheapest month to fly from Washington (IAD) to San José (SJO)

February is typically the cheapest month to fly

From ฿7,448 - ฿11,411 per traveller.
Flight from Washington to San José route information
Origin airport
Washington Dulles Intl.
Destination airport
Juan Santamaría Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, United, avianca
Return price
฿9,850
Distance
3269 km
Average flight time
5 hours 6 mins

Perfect flights from Washington to San José

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Washington to San José. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Washington Dulles Intl. to Juan Santamaría Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿4,175 and roundtrip prices from ฿9,850. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Juan Santamaría Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in San José.

Frequently asked questions

How much is a flight from Dulles Intl. Airport to SJO?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price listed for a round-trip flight from Dulles Intl. Airport to Juan Santamaria Intl. Airport was ฿9,850. Great fares don't stick around for long, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to SJO?
This varies between airlines, as each has its own set of terms and conditions. Head to the Customer Service Portal, where you'll find simple instructions on how to cancel your flight online.
How do I find cheap flights from IAD to SJO that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Washington Dulles Intl. Airport (IAD) to Juan Santamaria Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Washington Dulles Intl. Airport (IAD) to SJO?
The flying distance between IAD (IAD) and Juan Santamaria Intl. Airport (SJO) (SJO) is 3,300 kilometres. Squeeze in a nap or finish that novel and the trip will zip by.
Which airlines fly direct from Dulles Intl. Airport to Juan Santamaria Intl. Airport?
United Airlines (UA) will get you from Washington Dulles Intl. Airport (IAD) to Juan Santamaria Intl. Airport (SJO) comfortably and reliably. Choose from 4 flights each month along this route.
Are IAD to Juan Santamaria Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Booking your trip from IAD to SJO at the last minute could be your ticket to a fantastic deal. However, it might cost you a whole lot more! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred air carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

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